Home / 1,452,611.36-2,179,267.20-455,339.36

Finding the Fourth Proportional to 1,452,611.36, 2,179,267.20 and 455,339.36

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Solution

The fourth proportional to 1,452,611.36, 2,179,267.20 and 455,339.36 is: 683,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,611.36 : 2,179,267.20 = 455,339.36 : x
  2. Step 2: Convert to fraction form
    1,452,611.36/2,179,267.20 = 455,339.36/x
  3. Step 3: Cross multiply
    1,452,611.36x = 2,179,267.20 × 455,339.36
  4. Step 4: Simplify right side
    1,452,611.36x = 992,306,132,116.99
  5. Step 5: Solve for x
    x = 992,306,132,116.99/1,452,611.36
  6. Step 6: Final answer
    x = 683,118.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.